How Long Can I Leave the Mattress in the Box? Léa October 28, 2023 15:52 Updated We recommend that you unbox your new mattress within three weeks of purchase. If you are planning on moving, we would suggest that you order ahead of time so that we can hold your order and time your shipment to arrive after your move-in date. Please contact us at firstname.lastname@example.org for more details on how to coordinate your delivery date if you are moving. Related articles How To Unbox My New Mattress ? I Just Received My Silk & Snow Bed Frame, and I Can’t Find My Slats. Where Are They? Why Do You Ask To Try-Out The Mattress For 30 Days? What are Suitable Foundations? How Much Is Shipping? Comments 0 comments Article is closed for comments.